View clinical trials related to Parkinson Disease.
Filter by:The Phase 1 PK study is planned to evaluate the food effect on WD-1603 pharmacokinetics
There are about one million Parkinson's disease (PD) patients in America. The risks associated with whether or not an individual may develop PD include environment and genetic (biologic, hereditary) factors. Studies have show that certain things may be triggers, for example cells in the brain that are made active and associated inflammation in the brain. The gut is the largest interface between the PD patient and the environment, and it is highly thought to be pathway to the environment trigger. Research studies have looked at how information is passed back and forth between the brain and the gut. The goal of this study (pilot) is to gather information to conduct a larger clinical trial. For this pilot study is to determine if a microbiota-directed (bacteria in the gut) intervention (dietary bar) is capable of correcting the bacteria gut balance in PD. This is based on the thought that an imbalance of bacteria in the gut of PD patients may lead to the gut and intestines working correctly. The long term goal is to see if the intervention has the potential to modify the disease or protect the brain in PD. If the intervention successfully improves the bacterial imbalance in PD, it will be the first attempt to modify the Gut-Brain communication in PD, which can lead to additional studies aimed at improving the disease progression or prevention. In this project, the investigators will test how well Parkinson's disease patients tolerate changes in the gut and intestines by providing the participants a dietary bar to eat for 10 days. The investigators intend to conduct this pilot clinical trial in which the investigators believe that daily oral intake of a "prebiotic" mixture will be safe and well tolerated in a small number Parkinson's disease participants prior to a larger clinical trial looking at efficacy.
Orthostatic hypotension (OH), which consists in a significant reduction in blood pressure levels upon standing from a seated position, may affect approximately one in three patients with Parkinson's disease (PD). It usually presents as dizziness, lightheadedness, feeling faint, or feeling like you might black out while standing. This can significantly impact the quality of life (QoL) of PD patients, resulting in difficulties with balance, walking, and increased risk of falls. The main aim of this study is to evaluate whether the use of technological devices (a computerized system for analyzing abnormalities in walking in clinical settings and a wearable sensor to detect changes in postural unsteadiness in the home environment) may improve the detection of complications and the response to medical therapies for OH in patients with PD.
Parkinson's disease has innumerous motor symptoms that impacting on the functional level of the patient, such as impairment in functional mobility and balance . Previous studies have already aimed to evaluate the effectiveness of whole body vibration, but without methodological criteria. The use of whole body vibration may be an alternative for the treatment of Parkinson's disease. Therefore, the objective of the study is to verify which frequency of vibration is able to improve the balance and mobility of patients with Parkinson's disease.
Directly examine whether early (6-month) imaging with DaTscan and [¹⁸F] AV-133 will provide an early signal of disease progression in recently diagnosed untreated PD patients.
This involves development and application of magnetic resonance imaging (MRI) methods for visualizing hemodynamic and metabolic relationships in healthy volunteers with advanced meditation experience.
The purpose of this study is to select the safest and most effective number of repeat doses of allogeneic bone marrow-derived mesenchymal stem cell (MSC) infusions to slow the progression of Parkinson's disease (PD).
The purpose of this study is to investigate the optimal stimulation location of transcranial direct current stimulation to improve the dual-task performance in patients with Parkinson's disease.
General anesthesia (GA) is a medically induced state of unresponsiveness and unconsciousness, which millions of people experience every year. Despite its ubiquity, a clear and consistent picture of the brain circuits mediating consciousness and responsiveness has not emerged. Studies to date are limited by lack of direct recordings in human brain during medically induced anesthesia. Our overall hypothesis is that the current model of consciousness, originally proposed to model disorders and recovery of consciousness after brain injury, can be generalized to understand mechanisms of consciousness more broadly. This will be studied through three specific aims. The first is to evaluate the difference in anesthesia sensitivity in patients with and without underlying basal ganglia pathology. Second is to correlate changes in brain circuitry with induction and emergence from anesthesia. The third aim is to evaluate the effects of targeted deep brain stimulation on anesthesia induced loss and recovery of consciousness. This study focuses on experimentally studying these related brain circuits by taking advantage of pathological differences in movement disorder patient populations undergoing deep brain stimulation (DBS) surgery. DBS is a neurosurgical procedure that is used as treatment for movement disorders, such as Parkinson's disease and essential tremor, and provides a mechanism to acquire brain activity recordings in subcortical structures. This study will provide important insight by using human data to shed light on the generalizability of the current model of consciousness. The subject's surgery for DBS will be prolonged by up to 40 minutes in order to record the participant's brain activity and their responses to verbal and auditory stimuli.
The purpose of this study is to understand the neurophysiological mechanisms of peripheral electrical stimulation (PES) in modulating supraspinal tremorogenic input to motoneurons. For this purpose, the investigators will use transcutaneous PES, high-density electromyography (HD-EMG), transcranial magnetic stimulation (TMS), electroencephalography (EEG), magnetic resonance imaging (MRI), and neuromusculoskeletal modelling. This study will be carried out in both healthy participants and patients with essential tremor (ET) and Parkinson's disease (PD).